Frequencies for first 10,000 rows of drg3ing3 variable in nhamcsed2000 dataset : ingredient | code #3 for | drug #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,964 99.64 99.64 50745 | 1 0.01 99.65 51670 | 1 0.01 99.66 52035 | 1 0.01 99.67 52055 | 1 0.01 99.68 52647 | 1 0.01 99.69 52720 | 1 0.01 99.70 52908 | 1 0.01 99.71 53175 | 4 0.04 99.75 54330 | 3 0.03 99.78 54378 | 1 0.01 99.79 54395 | 8 0.08 99.87 54455 | 1 0.01 99.88 54595 | 1 0.01 99.89 54713 | 2 0.02 99.91 55105 | 1 0.01 99.92 55240 | 5 0.05 99.97 55745 | 1 0.01 99.98 70011 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016